Crocus likes to grow in a semi overcast environment. As long as the daily supply of soft astigmatism is available, it can't be out of the sun for a long time, or exposed to the strong light. It can be placed in a place with bright light, which can meet the normal growth needs.
Saffron likes loose and fertile sandy soil with smooth drainage, and the humus content needs to be rich. For potting, garden soil, rotten leaf soil and river sand can be used for mixing. It is better to add some bean cake fertilizer and organic chicken manure as the base fertilizer, so the growth is better in this environment.
The most suitable temperature for growth is about 15-25 ℃, which can withstand the cold. In winter, there is no need to worry about overwintering. It can grow normally in the environment of - 10 ℃. Summer is the stage of dormancy. It needs to cool down in time and can't be in the environment of too high temperature.
Its water demand is very large, and it needs to maintain sufficient water supply during the whole growth period, especially during the flowering and growing period, the soil humidity needs to be kept at about 70-80%.
Apply enough basal fertilizer before planting to ensure that the fertilizer effect can be released slowly. During the period of pregnancy, phosphate fertilizer should be applied for the second time, so as to ensure that the flowers are large and bright. After flowering, it is also necessary to apply fertilizer in time, which can be used for 1-2 times.